Vehicle Control Device Using 3D Object Detection to Filter Oncoming Vehicle False Alarms
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Solution Overview
Problem
Existing vehicle collision avoidance systems inaccurately detect oncoming vehicles, leading to ineffective collision avoidance maneuvers.
Innovation Solution
A vehicle control device equipped with a three-dimensional object detecting unit, an oncoming vehicle detecting unit, and an erroneous detection determination unit, which accurately identifies and differentiates between actual oncoming vehicles and erroneous detections by utilizing threshold ranges and positional relationships with three-dimensional objects like center dividers, thereby preventing unnecessary collision avoidance maneuvers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the oncoming vehicle detecting unit detects vehicles in the opposite lane, then collision avoidance control can be activated, but false detections occur when three-dimensional objects (like center dividers) are mistakenly identified as vehicles
Solution Approach 1:
The patent introduces a third detection unit (three-dimensional object detecting unit) that acts as an intermediary to verify detections from the oncoming vehicle detecting unit. When the oncoming vehicle detecting unit detects a vehicle, the system checks whether a three-dimensional object exists at the same position using the third detection unit. This intermediary verification mechanism resolves false detections without requiring complete redesign of the detection system.
Solution Approach 2:
The system implements feedback by using the output from the three-dimensional object detecting unit to validate and correct the output from the oncoming vehicle detecting unit. The erroneous detection determination unit continuously compares detections from both units and provides feedback to suppress false collision avoidance controls, improving overall detection reliability.
2Object-affected harmful factors
If the system performs collision avoidance maneuvers upon detecting an oncoming vehicle, then collision risk is reduced, but false maneuvers occur due to erroneous detection of three-dimensional objects as vehicles
Solution Approach 1:
The erroneous detection determination unit serves as an intermediary between the oncoming vehicle detecting unit and the collision avoidance control unit. It validates detections by checking for the presence of three-dimensional objects and suppresses false collision avoidance maneuvers before they are executed, eliminating unnecessary operations while maintaining safety.
3Measurement precision
If the system uses multiple detection units to verify oncoming vehicles, then detection accuracy improves, but system complexity and processing time increase
Solution Approach 1:
The patent uses the three-dimensional object detecting unit as an intermediary verification layer. Rather than requiring multiple complex vehicle detection algorithms, the system leverages the existing three-dimensional object detection capability to validate vehicle detections, achieving high precision through a structured verification approach.
Solution Approach 2:
The system applies partial verification by checking only those detections from the oncoming vehicle detecting unit that fall within the threshold range of detected three-dimensional objects. This selective verification approach achieves sufficient precision without processing all possible detection combinations, balancing accuracy with computational efficiency.
Data Source
AI summary
A vehicle control device includes: a three-dimensional object detecting unit, an oncoming vehicle detecting unit, and an erroneous detection determination unit. The three-dimensional object detecting unit detects a three-dimensional object provided between a travel lane in which a host vehicle travels and an opposite lane in which an oncoming vehicle travels. The oncoming vehicle detecting unit detects the oncoming vehicle traveling in the opposite lane. The erroneous detection determination unit determine that the oncoming vehicle detected by the oncoming vehicle detecting unit has been erroneously detected when the oncoming vehicle detected by the oncoming vehicle detecting unit is present within a threshold range from the three-dimensional object detected by the three-dimensional object detecting unit.